IB DP Physics Mock Exam SL Paper 1A Set 3 - 2025 Syllabus
IB DP Physics Mock Exam SL Paper 1A Set 3
Prepare for the IB DP Physics Mock Exam SL Paper 1A Set 3 with our comprehensive mock exam set 3. Test your knowledge and understanding of key concepts with challenging questions covering all essential topics. Identify areas for improvement and boost your confidence for the real exam
Question
A ball falls from rest in the absence of air resistance. The position of the centre of the ball is determined at onesecond intervals from the instant at which it is released. What are the distances, in metres, travelled by the centre of the ball during each second for the first \(4.0 \mathrm{~s}\) of the motion?
A. \(5,10,15,20\)
B. \(5,15,25,35\)
C. \(5,20,45,80\)
D. \(5,25,70,150\)
▶️Answer/Explanation
Markscheme
B
Question
The variation with time \(t\) of the acceleration \(a\) of an object is shown.
What is the change in velocity of the object from \(t=0\) to \(t=6 \mathrm{~s}\) ?
A. \(6 \mathrm{~m} \mathrm{~s}^{-1}\)
B. \(8 \mathrm{~m} \mathrm{~s}^{-1}\)
C. \(10 \mathrm{~m} \mathrm{~s}^{-1}\)
D. \(14 \mathrm{~m} \mathrm{~s}^{-1}\)
▶️Answer/Explanation
Markscheme
C
Question
A block X of weight 10N is stacked on a block Y of weight 20N. Block X is fixed to a wall with a light string. The coefficients of static friction between the blocks and between block Y and the
ground are both 0.2
What is the value of the minimum force F required to move block Y and what is the tension T in the string immediately before block Y begins to move?
▶️Answer/Explanation
Ans A
Question
Three samples of the same liquid are mixed in an insulated container. The masses and initial temperatures of the samples are:
What is the equilibrium temperature of the mixture?
A. \(45^{\circ} \mathrm{C}\)
B. \(36^{\circ} \mathrm{C}\)
C. \(30^{\circ} \mathrm{C}\)
D. \(24^{\circ} \mathrm{C}\)
▶️Answer/Explanation
Markscheme
B